* [http://oggconvert.tristanb.net/ OggConvert] is a small Gnome utility which uses GStreamer to convert (almost) any media file to Vorbis, Theora and Dirac.

* [http://oggconvert.tristanb.net/ OggConvert] is a small Gnome utility which uses GStreamer to convert (almost) any media file to Vorbis, Theora and Dirac.

* [http://kde-apps.org/content/show.php/Frontend+for+ffmpeg2theora?content=45172 Frontend for ffmpeg2theora] is a KDE GUI for ffmpeg2theora.

* [http://kde-apps.org/content/show.php/Frontend+for+ffmpeg2theora?content=45172 Frontend for ffmpeg2theora] is a KDE GUI for ffmpeg2theora.

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* [http://kde-apps.org/content/show.php?content=17831 Katiuska] is a theora encoder frontend. It uses ffmpeg2theora, mencoder, the encoder_example that comes with the theora libs and a little gpl bash script.

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* [http://kde-apps.org/content/show.php?content=17831 Katiuska] is a KDE theora encoder GUI. It uses ffmpeg2theora, mencoder, the encoder_example that comes with the theora libs and a little gpl bash script.

ffmpeg2dirac - fork of ffmpeg2theora, can enode into OGG Dirac but also Theora (obsolete)

VLC Media Player Can transcode from any source it supports into Ogg/Theora. WARNING: Apparently creates broken Ogg streams.

GStreamer GStreamer is a library that allows the construction of graphs of media-handling components, ranging from simple Vorbis playback to complex audio (mixing) and video (non-linear editing) processing.

Theorur is a GUI for Ogg/Theora streaming (icecast2 system), written using gtk2.

Handbrake is a GUI/CLI free software for ripping/encoding DVD/Files into various containers and formats including theora & vorbis since September 2008.

firefogg is a Firefox extension that encodes locally and uploads in chunks or when encoding finishes